Laboratory and Industrial Methods — Prelims Questions

Which of the following metals will NOT produce dihydrogen gas when reacted with dilute hydrochloric acid?

Which of the following reactions represents the water-gas shift reaction?

Which of the following statements about the laboratory preparation of dihydrogen is INCORRECT?

In the industrial preparation of dihydrogen by the electrolysis of brine, what are the main products obtained at the anode and cathode, respectively?

What is the primary purpose of adding a small amount of acid (e.g., H₂SO₄) during the electrolysis of water for dihydrogen production?

In the industrial production of dihydrogen from hydrocarbons, which catalyst is typically used in the steam reforming step?